81871664

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6469}}^1$

素因数の和:6597

約数の個数: 40

約数和(自身を含む): 182919840

約数和(自身を除く): 101048176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1582, 1808, 3164, 6328, 6469, 12656, 12938, 25876, 45283, 51752, 90566, 103504, 181132, 362264, 724528, 730997, 1461994, 2923988, 5116979, 5847976, 10233958, 11695952, 20467916, 40935832, 81871664]

約数ペア:

[(1, 81871664), (2, 40935832), (4, 20467916), (7, 11695952), (8, 10233958), (14, 5847976), (16, 5116979), (28, 2923988), (56, 1461994), (112, 730997), (113, 724528), (226, 362264), (452, 181132), (791, 103504), (904, 90566), (1582, 51752), (1808, 45283), (3164, 25876), (6328, 12938), (6469, 12656)]